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' 4 Sheets-Sheet 1. P. S. EWINS & P. A. WISWELL.

GAR HEATER. No. 258,394. Patented May 28, 1882.

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(No Model.) 4 Sheets-Sheen 2.

P. S. EWINS & P. A. WISWELL.

GAR HEATER.

No. 258,394. Patented May 23, 1882.

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- UAR HEATER. N0. 258,394; Patented May 23, 15382.

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(No Model.) 4 Sheets-Sheet4.

P. S. EWINS & P. A. WI SWELL.

GAR HEATEB.'-

No. 258,394. Patented May 23, 1882.

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NITED STAT S PATENT @FFICE.

PHILO S. EWINS, OF WEST BERKSHIRE, VERMONT, AND FREDERICK A. WISWELL, OF BEEBE PLAIN, QUEBEC, CANADA.

CAR-HEATER.

SPECIFICATION forming part of Letters Patent No. 258,394., dated May 23, 1882.

Application filed November 9, 1881. (No model.)

T 0 all whom it may concern:

Be it known that we, PHILO S. EWINS and FREDERICK A. WISWELL, citizens of the United States of America, and the Dominion of Canada, respectively, residing aflVestBer-kshire, in the county of Franklin and State of Vermont, United States of America, and at Beebe Plain, in the county of Stanstead, Province of Quebec, Canada, have invented certain new-and usei'ul Improvements in Car-Heaters; and we do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which itappertains to make and use the same, reference being had to the accompanyingdrawings, and to letters or figures of reference marked thereon, which form a part of this specification.

This invention relates to improvements in the car-heater covered by patent to Florella L. Kinsman, numbered 241,547, and dated May 17, 1881.

The object of our invention is to prevent the escape of gases and smoke into the interior of the car when replenishing the fire-pot with fuel; to permit easy access to the fire-chamber from the exterior of the heater to allow of repairs to said chamber, the building of fires in the fire-pot, 850.; to retain ashes and live coals that may pass through the grates in a suitable chamber until the arrival of the car at a suitable station or stopping-place where said ashes can be readily dumped from the ash-chamber; to permit access to the draft-fines of the fur- -nace in order to remove dust, 850., that may 3 is an inverted plan or bottom view thereof.

Fig. 4, Sheet 2, is a longitudinal vertical section on line x 00, Fig. 2. Fig. 5 is a side elevation of the rear or side opposite to that shown in Fig. 1. Fig. 6, Sheet 3, is an end elevation,

cured to the chamber a, as shown.

partly in section, looking in the direct-ion ofarrow 1, Fig. 1. Fig. 7 is an end elevation, part1; in section, looking in the direction of arrow 2, Fig. 1. Fig. 8 is a transverse vertical section on line y y of Fig. 2, and Fig. 9 is a detail showing the means for closing theinnerdoors of the fuel-magazine. Fig. 10, Sheet 4, is a horizontal section of theheater, showing clearly the construction and arrangement of the airchamber, the supplemental chamber, and the intermediate perforated partition. Fig. 11 is an enlarged sectional detail view, showing the peculiar construction of the doors K and their arrangement with reference to the walls of the fire and air chambers.

Corresponding parts in the several drawings are indicated by similar letters of reference.

In the annexed drawings, A A represent the floor and bottom, and B the stringers of a passenger-car.

C is the air-chamber inclosing the fire-chamber D, so as to leave an air-space between the walls of the two. The chamber D is provided with the fingersd to form the tapering fire-pot, said chamber being further provided with a smoke exit or pipe, at.

E marks the grate-bars, forming the bottom of the fire-pot, and c the bar passing through and connected to the depending arms of the grate-bars, as shown.

- With the exception of some changes in the construction of the air and fire chambers, to be presently noted, the arrangement and operation of the foregoing parts are similar to those set forth in the said patent to Florella L. Kinsman, numbered 241,547, and reference thereto is made for a fuller description thereof.

One end of the bar 0 is attached to one arm of the bell-crank e, journaled in a stud sc- To the other arm of the belt-crank is fastened the conn'ecting-rod F, which extends upward through the bottom and floor A A, and into the interior of the car, and receives a pivoted handle, which, when not in use, rests in a recessed plate,f, flush with the floor, as shown in Fig. 2. By giving a reciprocating motion to the connecting-rod F a similar motion will be conveyed to the grate-bars through the bell-crank and the bar a toremove ashes from said gratebars.

-IOO

G marks a central plate, preferably T shape in cross-section, to provide for strength,firmly secured to the bottom of the fire-chamber below the grate-bars, to which is hinged, on opposite sides, a pair of doors, g, held to said fire-chamber by means of spring-catchcsg,secured to the air-chamber c, as shown. When the doors are closed a chamber is formed below the grate-bars to contain the ashes until it is desired to remove them, when the doors are released from the spring-catches and the ashes are dumped onto the ground or into a suitable receptacle.

H marks the fuel-magazine, extending from the floor A down into the fire-pot, as shown, and provided with a pair of doors, h, meeting the floor, as shown. These doors are provided with a recessed portion, h, having each a finger-bar extending across such recess to permit of the doors being lifted and to avoid a projection of parts above the level of the floor. The fuel-magazine is provided about midway of its length with a flange, 11, around the four sides of its interior, against the under surface of which abuts a pair of doors, I, hinged immediately below said flange, as indicated in Fig. 4. These doors are lifted and held in place against the under surface of the flange by means of two sectors, J, secured one to each door-shaft outside of the fueLmagazine, the shafts extending through the wall of the magazine for this purpose. A chain, j, isfastened to the sectors, and a rod,j, which is provided with a spring-catch, and said rod is extended up through the floor of the car and has a handle, all as shown in Fig. 9 of the drawings. I

The object of the doors I is to prevent the escape of smoke and gases from the fire-pot into the car when the doors 7:. arelifted to admit fuel into the magazine, which rests on the doors I. After the doors h are closed the doors I are opened by pressing in the springcatch on the rod j, thereby permitting the doors to fall back against the walls of the magazine, as shown in Fig. 4, when the fuel will fall into the fire-pot. When both pairs of doors are closed the escape of smoke or gases into the car is effectually [)T0\'6llt0d.0il6 llllportant feature of our invention.

Openings are cut into the walls ofthe air and fire chambers, and are closed by apair of doors, K, constructed in such manner that the inner surface of said doors will form part of the wall of the fire-chamber,while the outer surface will fitsnuglyintotheopeningcutintothcwallofthe air-chamber, as clearly shown in Figs. 6 and 8 of the drawings. The doors are held closed by means of the pivoted latch k, which, by its own gravity, rests against the pins k, secured to the doors. Two pins, k, are shown t'orsafety only, as one will otherwise answer the purpose. The object in providing the doors K is to permit access to the interior of the heater for the purpose of buildingfires, removingforeign substances, or to make repairs.

chamber, and arranged one at each end thereof, and divided from the said fire-chamber by a perforated partition, 1 to break the force of the currents of air and cause it to be evenly fed to the fire in the tire-pot. The fines are provided each with an ordinary damper-valve, M, operated by means of a lever, m, and connecting-rod N, which latter extends into the car, as shown in Fig. 1. When the car is in motion the damper-valve in the rear flue is closed, while that in the forward flue is opened to the desired extent, according to the supply of air required. The auxiliary chambers ll are each provided with a door, 0, to allow of the removal of dust, &c., from said chambers or for other purposes.

P marksv a supplementary chamber extending along one side and partially around the ends ofthe air-chamber (J, and communicating therewith through the perforated partition p. Opening into the supplementary chamber P at opposite ends of the air-chamber is a pair of air-supply pipes, QQ, to convey air to the airchamber. Theseextend in the present instance one to the top of the car and the other to the end thereof, and they are provided with damper-valves q to regulate the supply of air. These air-flees can extend to the opposite ends, to the sides, or to the top of thecar,asmaybedeemed most expedient. The perforated partition 19 serves to break the force of the currents of air anddistribute it into the air-chamber.

It will be noticed from an inspection of Fig. 4 of the drawings that the air-chamber extends below a line drawn along the upper surface of the grate-bars, or, in other words, below the fire, the object of which is to cause the cold air coming from the supply-pipe to seek this lowspace, and thus, passing entirely around the fire-chamber, be thoroughly and evenly heated before passing into the flue R, and thence into the ear. The draft-fines and airsupply pipes are extended to the top, sides, or ends of the car, as may be deemed expedient, for the purpose of obtaining greater purity of air, especially of that fed to the air-chamber, and to prevent the tines and supply-pipes becoming clogged with dirt, snow, 850.

S marks a deflector arranged in the upper part of the air-chamber to deflect the air against the. top ofthe fire-chamber, as clearly indicated in Fig. 4.

We are aware of the patent granted \V. J. Hallefas for feed apparatus for hot-air furnaces dated December 26, 187 6, and numbered 185,745, and make no claim to the invention shown or described therein.

Having thus described our invention, what we claim, and desire to secure by Letters Patent, is-

1. The-combination, with the fire-pot of a car-heating apparatus, of afuel-magazine provided with doors for closing the month thereof, the hinged falling doors arranged in theinterior of the fuel-magazine, and the door-operating mechanism located outside the said fuel- 5 magazine, all substantially as shown and described, and for the purpose set forth.

2. In a car-heater, the combination, with a fire-pot, of a fuel-magazine having means for closing its mouth and provided with the flange upon its interior surface, and the pair of hinged doors with means for raising or lowering said doors and holding them against the under surface of said flange, substantially as and for the purpose set forth.

1 5 3. In a car-heater, the combination, with the firepot, of a fuel-magazine having means for closing its mouth and provided with the interior flange, the pair of hinged doors, the sectors, and the chain and lifting-rod provided with a spring-catch, as set forth, and for the purpose described.

4. The combination, with the fire-chamber D, of the auxiliary chambers l l, communicating with the space below the grates, the intermediate perforated partitions l and the draftfiues L L, opening into the auxiliary chambers and provided each with means for regulating the draft, substantially asshown and described, and for the purpose set forth.

5. The fire-chamber having the auxiliary o chambers provided each with a door, as shown, and the perforated partitions separating the auxiliary chambers from the fire-chamber, in combination, substantially as set forth.

6. The combination, with the air-chamber, of 3 5 the supplemental chamber extending along one side and partially around the ends of the air-chamber, as shown, the intermediate perforated partition dividing the supplemental cham ber from the air-chamber, and the air-supply o pipes Q Q, connected to the supplemental chamber at opposite ends thereof, and provided each with dampers, as shown, and for the purpose set forth.

In testimony whereof we affix our signatures in presence of two witnesses.

PHILO S; EWINS. FREDERICK A. WISWELL.

Witnesses:

JOHN TINKER, (J. E. HAMBLET. 

